36764993 has 2 divisors, whose sum is σ = 36764994. Its totient is φ = 36764992.

The previous prime is 36764983. The next prime is 36765023. The reversal of 36764993 is 39946763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28430224 + 8334769 = 5332^2 + 2887^2 .

It is an emirp because it is prime and its reverse (39946763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36764993 - 2⁶ = 36764929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (36764963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18382496 + 18382497.

It is an arithmetic number, because the mean of its divisors is an integer number (18382497).

Almost surely, 2^36764993 is an apocalyptic number.

It is an amenable number.

36764993 is a deficient number, since it is larger than the sum of its proper divisors (1).

36764993 is an equidigital number, since it uses as much as digits as its factorization.

36764993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 47.

The square root of 36764993 is about 6063.4143021898. The cubic root of 36764993 is about 332.5151948132.

The spelling of 36764993 in words is "thirty-six million, seven hundred sixty-four thousand, nine hundred ninety-three".